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/*
* Copyright (C) 2012 Andrew Neal
* Copyright (C) 2014 The CyanogenMod Project
* Licensed under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law
* or agreed to in writing, software distributed under the License is
* distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the specific language
* governing permissions and limitations under the License.
*/
package org.lineageos.eleven.ui.fragments;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.LoaderManager.LoaderCallbacks;
import android.support.v4.content.Loader;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import org.lineageos.eleven.Config.SmartPlaylistType;
import org.lineageos.eleven.MusicStateListener;
import org.lineageos.eleven.R;
import org.lineageos.eleven.adapters.PagerAdapter;
import org.lineageos.eleven.adapters.PlaylistAdapter;
import org.lineageos.eleven.loaders.PlaylistLoader;
import org.lineageos.eleven.model.Playlist;
import org.lineageos.eleven.recycler.RecycleHolder;
import org.lineageos.eleven.ui.activities.BaseActivity;
import org.lineageos.eleven.ui.fragments.phone.MusicBrowserFragment;
import org.lineageos.eleven.utils.NavUtils;
import org.lineageos.eleven.utils.PlaylistPopupMenuHelper;
import org.lineageos.eleven.utils.PopupMenuHelper;
import org.lineageos.eleven.widgets.IPopupMenuCallback;
import org.lineageos.eleven.widgets.LoadingEmptyContainer;
import java.util.List;
/**
* This class is used to display all of the playlists on a user's device.
*
* @author Andrew Neal (andrewdneal@gmail.com)
*/
public class PlaylistFragment extends MusicBrowserFragment implements
LoaderCallbacks<List<Playlist>>,
OnItemClickListener, MusicStateListener {
/**
* The adapter for the list
*/
private PlaylistAdapter mAdapter;
/**
* The list view
*/
private ListView mListView;
/**
* Pop up menu helper
*/
private PopupMenuHelper mPopupMenuHelper;
/**
* This holds the loading progress bar as well as the no results message
*/
private LoadingEmptyContainer mLoadingEmptyContainer;
/**
* Empty constructor as per the {@link Fragment} documentation
*/
public PlaylistFragment() {
}
@Override
public int getLoaderId() {
return PagerAdapter.MusicFragments.PLAYLIST.ordinal();
}
/**
* {@inheritDoc}
*/
@Override
public void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mPopupMenuHelper = new PlaylistPopupMenuHelper(getActivity(), getFragmentManager(), null) {
@Override
public Playlist getPlaylist(int position) {
return mAdapter.getItem(position);
}
};
// Create the adapter
mAdapter = new PlaylistAdapter(getActivity());
mAdapter.setPopupMenuClickedListener(new IPopupMenuCallback.IListener() {
@Override
public void onPopupMenuClicked(View v, int position) {
mPopupMenuHelper.showPopupMenu(v, position);
}
});
}
/**
* {@inheritDoc}
*/
@Override
public View onCreateView(final LayoutInflater inflater, final ViewGroup container,
final Bundle savedInstanceState) {
// The View for the fragment's UI
final ViewGroup rootView = (ViewGroup)inflater.inflate(R.layout.list_base, null);
// Initialize the list
mListView = (ListView)rootView.findViewById(R.id.list_base);
// Set the data behind the grid
mListView.setAdapter(mAdapter);
// Release any references to the recycled Views
mListView.setRecyclerListener(new RecycleHolder());
// Play the selected song
mListView.setOnItemClickListener(this);
// Setup the loading and empty state
mLoadingEmptyContainer =
(LoadingEmptyContainer)rootView.findViewById(R.id.loading_empty_container);
mListView.setEmptyView(mLoadingEmptyContainer);
// Register the music status listener
((BaseActivity)getActivity()).setMusicStateListenerListener(this);
return rootView;
}
@Override
public void onDestroyView() {
super.onDestroyView();
((BaseActivity)getActivity()).removeMusicStateListenerListener(this);
}
/**
* {@inheritDoc}
*/
@Override
public void onActivityCreated(final Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
// Enable the options menu
setHasOptionsMenu(true);
// Start the loader
initLoader(null, this);
}
/**
* {@inheritDoc}
*/
@Override
public void onItemClick(final AdapterView<?> parent, final View view, final int position,
final long id) {
Playlist playlist = mAdapter.getItem(position);
SmartPlaylistType playlistType = SmartPlaylistType.getTypeById(playlist.mPlaylistId);
if (playlistType != null) {
NavUtils.openSmartPlaylist(getActivity(), playlistType);
} else {
NavUtils.openPlaylist(getActivity(), playlist.mPlaylistId, playlist.mPlaylistName);
}
}
/**
* {@inheritDoc}
*/
@Override
public Loader<List<Playlist>> onCreateLoader(final int id, final Bundle args) {
// show the loading progress bar
mLoadingEmptyContainer.showLoading();
return new PlaylistLoader(getActivity());
}
/**
* {@inheritDoc}
*/
@Override
public void onLoadFinished(final Loader<List<Playlist>> loader, final List<Playlist> data) {
// Check for any errors
if (data.isEmpty()) {
mLoadingEmptyContainer.showNoResults();
return;
}
// Start fresh
mAdapter.unload();
// Add the data to the adpater
for (final Playlist playlist : data) {
mAdapter.add(playlist);
}
// Build the cache
mAdapter.buildCache();
}
/**
* {@inheritDoc}
*/
@Override
public void onLoaderReset(final Loader<List<Playlist>> loader) {
// Clear the data in the adapter
mAdapter.unload();
}
/**
* {@inheritDoc}
*/
@Override
public void restartLoader() {
restartLoader(null, this);
}
@Override
public void onPlaylistChanged() {
restartLoader();
}
/**
* {@inheritDoc}
*/
@Override
public void onMetaChanged() {
// Nothing to do
}
}
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